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William Herschel Telescope

LIRIS: Long Slit Intermediate-Resolution InfraRed Spectrograph

— Near-infrared imager and spectrograph —

First light: 15 February 2003.

Designed and built by: Instituto de Astrofísica de Canarias is the main builder and designer. Other collaborating institutions are the UK Astronomy Technology Centre and the Isaac Newton Group of Telescopes.

Description: LIRIS is a long-slit intermediate-resolution infrared spectrograph to be mounted on the Cassegrain focus of the 4.2 m William Herschel Telescope (WHT).




Scientific and technical impact:

Scientific highlights (12)

Publications (ING count: 195)

Public dissemination:

Media releases (12)


Photo archive (1)

Video archive (1)

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Last modified: 27 April 2021